Studying the evolutionary history of man, scientists come to the conclusion that the psyche and intelligence of the highest primates have radically changed after they went down to Earth. For example, using DNA analysis, it was established that alcoholism arose among the ancestors of a person shortly after they moved to a ground lifestyle.
Obviously, the primates came to the need for construction, finding himself in new living conditions. However, the first buildings of the ancestors of a person were not preserved. Perhaps these were blockages and dams made of wood, which served to protect against predatory animals. These buildings were built spontaneously, without preliminary planning.
But it is possible that already the ancestors of a person could prepare in advance building material. There is a known case that occurred in one zoo. The monkey in the aviary began to throw visitors stones, and then the zoo workers saw that the stones were collected and hidden in advance. If for her purpose the monkey managed to build a preliminary action plan and stock up on stones, then our ancestors could well design the simplest structures in advance.